Author: Christophe Theron
Date: 06:31:32 04/15/99
Go up one level in this thread
On April 15, 1999 at 09:11:16, Chris Carson wrote:
>On April 15, 1999 at 08:10:14, Tord Romstad wrote:
>
>>On April 15, 1999 at 06:36:04, Chris Carson wrote:
>>
>>>Best program (impressed me the most):
>>>Strength (Single processor): Deep Blue Jr, great record againt a
>>> wide range of opponents, not enough
>>> games, I wish they would have played
>>> more.
>>
>>Are you sure this is a single processor machine? I always thought
>>Deep Blue Jr had 12 processors...
>>
>>Tord
>
>See: http://www.chess.ibm.com/press/html/g.6.4.html
>
>"DBjr. is based on a single-node RS/6000 workstation, and uses a total of 16
>chess accelerator chips. DB jr. also runs in a non-parallelized (serial) mode,
>meaning it does not divide the processing work up between processors; all of the
>calculations are done on a single processor."
This sentence contradicts itself!
There is one master processor and 16 chess accelerators. AFAIK, the "chess
accelerators" conduct a 4 plies search at high speed. So this is a parallel
chess computer... There are 16 processors conducting 16 searches at the same
time, and the RS6000 processor collects the results.
Christophe
>
>Best Regards,
>Chris Carson
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